Hello I love your chocolate cichlids mine is about 6 inches long but big he is more of a brown and red sometimes but often turns very pale white but for some reason he is aggressive when he needs to be but not towards his tanks mates he is a gentle giant but also very shy last year when I was moving him into the new tank he panicked and he went head first into the ground then layed head first in the water fall bubbler the pet store said he had a mini stroke he has been a very fragile fish ever since then. Is this normal for chocolates, here’s a picture of him